And even so, nothing precludes people from pursuing civil damages if there's a data breach - this is far more likely with sensitive data coming from a medical provider to a third party.
And as has been hinted at, the lack of professional presentation is going to hurt a lot, and people will immediately ask "can I trust this platform with any of my information?"
Why? What's in it for them?
I'm not saying this can't happen, I'm just not sure I understand why you think it's so likely to happen.
Law department visits the box and finds nobody. Shell company changes name (indeed, perhaps they have a different name for every victim) and resume operation immediately. Hell, they never stop selling for a millisecond.
Follow the money? Ha. The modern ideas of currency make such schemes bulletproof.
Seems like it is intended to be used by covered entities. But it does depend a bit on what "medical caregiver" is intended to mean.